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Super Lyrics vs 30 Seconds of Knowledge

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Super Lyrics compared with 30 Seconds of Knowledge
DetailSuper Lyrics logo Super Lyrics30 Seconds of Knowledge logo 30 Seconds of Knowledge
What it doesSynced YouTube lyrics with pronunciation and translation for desktop Chrome Keep your engineering skills sharp with one real code snippet on every new tab
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
PricingFree: 10 videos with lyrics lifetime. Pro subscription: $1.99 USD per week, $4.99 USD per month, or $39.99 USD per year for unlimited song access. Free
Key features
  • Synced lyrics display alongside YouTube videos
  • Japanese romaji and original text
  • Chinese tone-marked pinyin
  • Korean romanized readings
  • Translation into 180+ languages
  • Inline or side panel display modes
  • Timing adjustment for out-of-sync lyrics
  • Manual artist and title search
  • Support for JavaScript, Python, React, Git, C++, C#, CSS, Dart, Go, HTML, PHP, and Interview Questions
  • Live Preview for CSS snippets
  • Random snippet or browse favorites and all snippets
  • Available on Chrome, Firefox, Edge, Brave, and Arc
  • Open source project on GitHub
What makes it different
  • Free access to first 10 videos with lyrics
  • Pronunciation guides for Japanese, Chinese and Korean
  • Works on standard YouTube watch pages without app installation
  • Machine translation available in over 180 languages
  • Helps prevent engineering skill atrophy in the age of AI
  • One real code snippet delivered every new tab without requiring courses or streaks
  • 25,000+ developers using the extension with 1,000+ GitHub stars
  • Featured as #2 Product of the Day on Product Hunt
  • 5-star rating on Chrome Web Store
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check9 no change since last check
Trust Flow (Majestic)04
Citation Flow (Majestic)020
Referring domains (Majestic)073

5 details filled in for both companies.

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